Measurement of the high energy two-body deuteron photodisintegration differential cross section
E C Schulte1, A Ahmidouch, C S Armstrong
1University of Illinois at Urbana-Champaign, Urbana, Illinois 61801, USA.
Abstract:
The first measurements of the d(gamma,p)n differential cross section at forward angles and photon energies above 4 GeV were performed at the Thomas Jefferson National Accelerator Facility (JLab). The results indicate evidence of an angular dependent scaling threshold. Results at straight theta(cm) = 37 degrees are consistent with the constituent counting rules for E(gamma) greater, similar 4 GeV, while those at 70 degrees are consistent with the constituent counting rules for E(gamma) greater, similar 1.5 GeV.
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